import org.apache.commons.lang3.StringUtils;

public class cnmsdsd {
	
	public static void main(String[] args) {
		String sid2 = "7@oLIwp5jXomrsqTlS4ZFqv708UVv8";
		if(!StringUtils.isNoneBlank(sid2)) {
			System.out.println(11);
		}
		String[] split = sid2.split("@");
		if(split.length != 2) {
			System.out.println(11);
		}
	}

}
